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@@ -72,45 +72,49 @@ static void elo_process_data_10(struct elo *elo, unsigned char data)
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struct input_dev *dev = elo->dev;
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elo->data[elo->idx] = data;
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- switch (elo->idx++) {
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- case 0:
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- elo->csum = 0xaa;
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- if (data != ELO10_LEAD_BYTE) {
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- pr_debug("elo: unsynchronized data: 0x%02x\n", data);
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- elo->idx = 0;
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- }
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- break;
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- case 9:
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+ switch (elo->idx++) {
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+ case 0:
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+ elo->csum = 0xaa;
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+ if (data != ELO10_LEAD_BYTE) {
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+ dev_dbg(&elo->serio->dev,
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+ "unsynchronized data: 0x%02x\n", data);
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elo->idx = 0;
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- if (data != elo->csum) {
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- pr_debug("elo: bad checksum: 0x%02x, expected 0x%02x\n",
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- data, elo->csum);
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- break;
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- }
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- if (elo->data[1] != elo->expected_packet) {
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- if (elo->data[1] != ELO10_TOUCH_PACKET)
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- pr_debug("elo: unexpected packet: 0x%02x\n",
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- elo->data[1]);
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- break;
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- }
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- if (likely(elo->data[1] == ELO10_TOUCH_PACKET)) {
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- input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]);
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- input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]);
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- if (elo->data[2] & ELO10_PRESSURE)
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- input_report_abs(dev, ABS_PRESSURE,
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- (elo->data[8] << 8) | elo->data[7]);
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- input_report_key(dev, BTN_TOUCH, elo->data[2] & ELO10_TOUCH);
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- input_sync(dev);
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- } else if (elo->data[1] == ELO10_ACK_PACKET) {
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- if (elo->data[2] == '0')
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- elo->expected_packet = ELO10_TOUCH_PACKET;
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- complete(&elo->cmd_done);
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- } else {
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- memcpy(elo->response, &elo->data[1], ELO10_PACKET_LEN);
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- elo->expected_packet = ELO10_ACK_PACKET;
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- }
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+ }
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+ break;
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+
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+ case 9:
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+ elo->idx = 0;
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+ if (data != elo->csum) {
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+ dev_dbg(&elo->serio->dev,
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+ "bad checksum: 0x%02x, expected 0x%02x\n",
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+ data, elo->csum);
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+ break;
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+ }
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+ if (elo->data[1] != elo->expected_packet) {
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+ if (elo->data[1] != ELO10_TOUCH_PACKET)
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+ dev_dbg(&elo->serio->dev,
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+ "unexpected packet: 0x%02x\n",
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+ elo->data[1]);
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break;
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+ }
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+ if (likely(elo->data[1] == ELO10_TOUCH_PACKET)) {
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+ input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]);
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+ input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]);
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+ if (elo->data[2] & ELO10_PRESSURE)
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+ input_report_abs(dev, ABS_PRESSURE,
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+ (elo->data[8] << 8) | elo->data[7]);
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+ input_report_key(dev, BTN_TOUCH, elo->data[2] & ELO10_TOUCH);
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+ input_sync(dev);
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+ } else if (elo->data[1] == ELO10_ACK_PACKET) {
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+ if (elo->data[2] == '0')
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+ elo->expected_packet = ELO10_TOUCH_PACKET;
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+ complete(&elo->cmd_done);
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+ } else {
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+ memcpy(elo->response, &elo->data[1], ELO10_PACKET_LEN);
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+ elo->expected_packet = ELO10_ACK_PACKET;
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+ }
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+ break;
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}
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elo->csum += data;
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}
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@@ -123,42 +127,53 @@ static void elo_process_data_6(struct elo *elo, unsigned char data)
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switch (elo->idx++) {
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- case 0: if ((data & 0xc0) != 0xc0) elo->idx = 0; break;
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- case 1: if ((data & 0xc0) != 0x80) elo->idx = 0; break;
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- case 2: if ((data & 0xc0) != 0x40) elo->idx = 0; break;
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-
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- case 3:
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- if (data & 0xc0) {
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- elo->idx = 0;
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- break;
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- }
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+ case 0:
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+ if ((data & 0xc0) != 0xc0)
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+ elo->idx = 0;
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+ break;
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- input_report_abs(dev, ABS_X, ((elo->data[0] & 0x3f) << 6) | (elo->data[1] & 0x3f));
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- input_report_abs(dev, ABS_Y, ((elo->data[2] & 0x3f) << 6) | (elo->data[3] & 0x3f));
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+ case 1:
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+ if ((data & 0xc0) != 0x80)
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+ elo->idx = 0;
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+ break;
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- if (elo->id == 2) {
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- input_report_key(dev, BTN_TOUCH, 1);
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- input_sync(dev);
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- elo->idx = 0;
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- }
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+ case 2:
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+ if ((data & 0xc0) != 0x40)
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+ elo->idx = 0;
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+ break;
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+ case 3:
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+ if (data & 0xc0) {
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+ elo->idx = 0;
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break;
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+ }
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- case 4:
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- if (data) {
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- input_sync(dev);
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- elo->idx = 0;
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- }
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- break;
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+ input_report_abs(dev, ABS_X, ((elo->data[0] & 0x3f) << 6) | (elo->data[1] & 0x3f));
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+ input_report_abs(dev, ABS_Y, ((elo->data[2] & 0x3f) << 6) | (elo->data[3] & 0x3f));
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- case 5:
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- if ((data & 0xf0) == 0) {
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- input_report_abs(dev, ABS_PRESSURE, elo->data[5]);
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- input_report_key(dev, BTN_TOUCH, !!elo->data[5]);
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- }
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+ if (elo->id == 2) {
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+ input_report_key(dev, BTN_TOUCH, 1);
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input_sync(dev);
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elo->idx = 0;
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- break;
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+ }
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+
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+ break;
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+
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+ case 4:
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+ if (data) {
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+ input_sync(dev);
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+ elo->idx = 0;
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+ }
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+ break;
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+
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+ case 5:
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+ if ((data & 0xf0) == 0) {
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+ input_report_abs(dev, ABS_PRESSURE, elo->data[5]);
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+ input_report_key(dev, BTN_TOUCH, !!elo->data[5]);
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+ }
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+ input_sync(dev);
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+ elo->idx = 0;
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+ break;
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}
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}
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@@ -170,17 +185,17 @@ static void elo_process_data_3(struct elo *elo, unsigned char data)
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switch (elo->idx++) {
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- case 0:
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- if ((data & 0x7f) != 0x01)
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- elo->idx = 0;
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- break;
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- case 2:
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- input_report_key(dev, BTN_TOUCH, !(elo->data[1] & 0x80));
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- input_report_abs(dev, ABS_X, elo->data[1]);
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- input_report_abs(dev, ABS_Y, elo->data[2]);
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- input_sync(dev);
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+ case 0:
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+ if ((data & 0x7f) != 0x01)
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elo->idx = 0;
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- break;
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+ break;
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+ case 2:
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+ input_report_key(dev, BTN_TOUCH, !(elo->data[1] & 0x80));
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+ input_report_abs(dev, ABS_X, elo->data[1]);
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+ input_report_abs(dev, ABS_Y, elo->data[2]);
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+ input_sync(dev);
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+ elo->idx = 0;
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+ break;
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}
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}
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@@ -189,19 +204,19 @@ static irqreturn_t elo_interrupt(struct serio *serio,
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{
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struct elo *elo = serio_get_drvdata(serio);
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- switch(elo->id) {
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- case 0:
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- elo_process_data_10(elo, data);
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- break;
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-
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- case 1:
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- case 2:
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- elo_process_data_6(elo, data);
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- break;
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-
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- case 3:
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- elo_process_data_3(elo, data);
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- break;
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+ switch (elo->id) {
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+ case 0:
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+ elo_process_data_10(elo, data);
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+ break;
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+
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+ case 1:
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+ case 2:
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+ elo_process_data_6(elo, data);
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+ break;
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+
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+ case 3:
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+ elo_process_data_3(elo, data);
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+ break;
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}
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return IRQ_HANDLED;
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@@ -261,10 +276,10 @@ static int elo_setup_10(struct elo *elo)
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if (packet[3] & ELO10_PRESSURE)
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input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
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- printk(KERN_INFO "elo: %sTouch touchscreen, fw: %02x.%02x, "
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- "features: 0x%02x, controller: 0x%02x\n",
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- elo_types[(packet[1] -'0') & 0x03],
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- packet[5], packet[4], packet[3], packet[7]);
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+ dev_info(&elo->serio->dev,
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+ "%sTouch touchscreen, fw: %02x.%02x, features: 0x%02x, controller: 0x%02x\n",
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+ elo_types[(packet[1] -'0') & 0x03],
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+ packet[5], packet[4], packet[3], packet[7]);
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return 0;
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}
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@@ -330,24 +345,24 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv)
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switch (elo->id) {
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- case 0: /* 10-byte protocol */
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- if (elo_setup_10(elo))
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- goto fail3;
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+ case 0: /* 10-byte protocol */
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+ if (elo_setup_10(elo))
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+ goto fail3;
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- break;
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+ break;
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- case 1: /* 6-byte protocol */
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- input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0);
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+ case 1: /* 6-byte protocol */
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+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0);
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- case 2: /* 4-byte protocol */
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- input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);
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- input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0);
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- break;
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+ case 2: /* 4-byte protocol */
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+ input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);
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+ input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0);
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+ break;
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- case 3: /* 3-byte protocol */
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- input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0);
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- input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0);
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- break;
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+ case 3: /* 3-byte protocol */
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+ input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0);
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+ input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0);
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+ break;
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}
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err = input_register_device(elo->dev);
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